Ockton, the Tipper

Islandwalk
{u}: Sacrifice a land: Target land becomes an Island till the end of turn.
{u}{g}: Sacrifice a Human or a Pirate:
Destroy target artifact or enchantment.
{u}{u}{g}{g}: Sacrifice a vehicle: Search your library for a Kraken card, and put it into your hand. Shuffle your library afterwards.